package tk.uodrad.apex.project.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import tk.uodrad.apex.project.ex.ServiceException;
import tk.uodrad.apex.project.pojo.dto.PropertyAddNewDTO;
import tk.uodrad.apex.project.pojo.dto.PropertyUpdateDTO;
import tk.uodrad.apex.project.pojo.entity.Property;
import tk.uodrad.apex.project.pojo.vo.PropertyListVO;
import tk.uodrad.apex.project.service.PropertyService;
import tk.uodrad.apex.project.mapper.PropertyMapper;
import org.springframework.stereotype.Service;
import tk.uodrad.apex.project.utils.InitRandomCode;
import tk.uodrad.apex.project.web.ServiceCode;

/**
* @author Administrator
* @description 针对表【property_management】的数据库操作Service实现
* @createDate 2023-04-04 20:52:27
*/
@Service
public class PropertyServiceImpl extends ServiceImpl<PropertyMapper, Property>
    implements PropertyService{
    
    @Autowired
    private PropertyMapper propertyMapper;

    /**
     * 添加单个房产
     * @param propertyAddNewDTO 添加房产DTO
     */
    @Override
    public void save(PropertyAddNewDTO propertyAddNewDTO) {
        //新建一个Property对象并将传入的DTO复制给Property
        Property property = new Property();
        BeanUtils.copyProperties(propertyAddNewDTO, property);
        //创建MyBatis-plus提供的Wrappers类下的query()方法
        QueryWrapper<Property> wrapper = Wrappers.query();
        //用eq方法用于判断数据库中是否有name等于当前Property的name
        wrapper.eq("name", property.getName());
        Property selectOne = propertyMapper.selectOne(wrapper);
        if (selectOne != null) {
            String message = "新增数据失败，当前数据已存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_CONFLICT, message);
        }
        //生成编号
        property.setCode(InitRandomCode.initCode("prm"));
        //插入数据，并判断是否插入成功
        int rows = propertyMapper.insert(property);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_INSERT, message);
        }
    }

    /**
     * 根据ID修改房产
     * @param propertyUpdateDTO 修改房产DTO
     */
    @Override
    public void updateById(PropertyUpdateDTO propertyUpdateDTO) {
        //根据传入的DTO中的ID查询数据库中是否存在该数据
        Property propertyById = propertyMapper.selectById(propertyUpdateDTO.getId());
        if (propertyById == null) {
            String message = "修改数据失败，当前数据不存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_NOT_FOUND, message);
        }
        //创建一个Property对象，将传入的DTO复制给Property对象
        Property property = new Property();
        BeanUtils.copyProperties(propertyUpdateDTO, property);
        //更新数据，并判断是否更新成功
        int rows = propertyMapper.updateById(property);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_UPDATE, message);
        }
    }

    /**
     * 分页查询房产列表
     * @param pageNum 第几页
     * @param pageSize 每页多少条数据
     * @param communityCode 小区编号
     * @return IPage<PropertyListVO> PropertyListVO分页对象
     */
    @Override
    public IPage<PropertyListVO> list(Integer pageNum, Integer pageSize, String communityCode) {
        Page<PropertyListVO> page = new Page<>(pageNum, pageSize);
        return propertyMapper.selectPageVo(page, communityCode);
    }
}




